When Tanya Barrett takes an internship at MapOut, a digital mapping company her dead father cofounded, she expects emotional landmines. Her father’s business partner and his son, Connor, welcome her to the job with open arms. And being with Connor turns out to be the only thing that makes Tanya feel normal again. But when they sneak into her father’s old office late one night, they stumble across a deadly secret.

When Tanya Barrett takes an internship at MapOut, a digital mapping company her dead father cofounded, she expects emotional landmines. Her father’s business partner and his son, Connor, welcome her to the job with open arms. And being with Connor turns out to be the only thing that makes Tanya feel normal again. But when they sneak into her father’s old office late one night, they stumble across a deadly secret.

When Tanya Barrett takes an internship at MapOut, she expects emotional landmines. Her father cofounded the digital mapping company, and he died for it --- on a cartographic expedition he didn’t even need to take. Her father’s business partner and his son, Connor, welcome her to the job with open arms. And being with Connor, an old childhood friend, turns out to be the only thing that makes Tanya feel normal again. 

Soon she’s spending every moment she can with Connor. But when they sneak into her father’s old office late one night, they stumble across a deadly secret. The next day Connor disappears.

Tanya isn’t just bereft; she’s terrified. It’s clear that people at MapOut are willing to kill for what she and Connor discovered. Alone again --- and on the run --- Tanya must rely on her wits to find out what happened to him and stay a step ahead of MapOut. But in the world they envision, no one stays lost for long.

"Mapmaker expertly brings the paranoid thriller into the age of surveillance, and the result is both moving and chilling."
—D.B. Weiss, co-creator, writer, and producer of Game of Thrones